MTL - Magnate Uncle: Starting from Supermarket Shopping with Ten Nephews - Chapter 520 Brother-in-law asks for help

Three Days of Happiness is a novel by Sugaru Miaki, also known as Fafoo. It’s a rewritten version of the story originally posted to 2ch.

The premise of the story revolves around a shop where one can sell away the remaining years of their life, and the consequences of doing so.

“I Say A Little Prayer” is a short related story which was posted along with the novel’s release. It spoils some things about the main story, but nothing major.

Betrayed by the kingdom he bled for. Executed by the brother he once protected. Daemon died a war hero—branded a monster.But death isn’t the end. Not for him.Reborn on the day of his cursed birth, under the same blood-drenched eclipse, Daemon remembers everything: the lies, the poison, the crown soaked in his mother’s blood. This time, he won’t beg. He won’t protect.He’ll burn the empire from the inside out.His twin brother Gabriel—the golden child, the “righteous” king—stole everything. So Daemon will take it all back, piece by piece.The nobles who cheered at his execution? Dead.The soldiers who held him down? Ash.The kingdom that worshipped a fraud? Buried under screams.This isn’t about justice. This is about revenge, and Daemon’s not stopping until his brother’s skin hangs from the palace gates.The empire made a monster.Now it gets to meet him.

Anyone who could construct a stable Spell Model could become a Wizard — that was the Wizards’ ultimate secret! Having been given a new life as the son of an aristocrat and armed with a super quantum computer from his past life, Spell Models came as easily as breathing to Merlin. With this overwhelmingly huge advantage, would Merlin become the greatest Grand Wizard of all time?

- Description from Novelupdates

Shion, the ‘Hero of Darkness’. He was said to be the strongest hero ever. He believed one thing, and that was his current party members.

“I’ll defeat the Demon Lord with this party!”

That is what he swore to do, but a tragedy occurs. He was painfully betrayed by the girls that he trusted.

He barely held onto his life, but the incident left a deep scar in his heart.

He gave up on living, and while he was wandering around in a forest, looking for a way to die, a single monster appeared in front of him.

“Will you kill me, please?”

The monster asked Shion, who was still strong, despite losing his powers.

What Shion, who wanted to die as well, did was―